undeclared identifier '_iob'?

I'm new to a software project using C++ in Visual 6.0 for Windows and occasionally I have come across the error:

Code:

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error C2065: '_iob' : undeclared identifier

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when compiling which relates to a piece of code that looks like:

Code:

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FILE* stream=freopen("evamfc2.stdout","w",stdout);

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or something similar dealing with standard output. Can anyone tell me what the library is that I'm missing? I have the following already included:

Code:

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#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdarg.h>
#include <stddef.h>

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its defined in stdio.h but I don't have a clue why you are getting that error. Your problem is probably somewhere else in your program.

nope, that was it. for some odd reason it was commented out. cheers.